Home / 791,268.49-1,091,951.59-428,692.36

Finding the Fourth Proportional to 791,268.49, 1,091,951.59 and 428,692.36

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Solution

The fourth proportional to 791,268.49, 1,091,951.59 and 428,692.36 is: 591,596.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,268.49 : 1,091,951.59 = 428,692.36 : x
  2. Step 2: Convert to fraction form
    791,268.49/1,091,951.59 = 428,692.36/x
  3. Step 3: Cross multiply
    791,268.49x = 1,091,951.59 × 428,692.36
  4. Step 4: Simplify right side
    791,268.49x = 468,111,304,122.85
  5. Step 5: Solve for x
    x = 468,111,304,122.85/791,268.49
  6. Step 6: Final answer
    x = 591,596.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.